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1// SPDX-License-Identifier: GPL-2.02//3// MediaTek ALSA SoC Audio DAI Hostless Control4//5// Copyright (c) 2022 MediaTek Inc.6// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>7 8#include "mt8186-afe-common.h"9 10static const struct snd_pcm_hardware mt8186_hostless_hardware = {11 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |12 SNDRV_PCM_INFO_MMAP_VALID),13 .period_bytes_min = 256,14 .period_bytes_max = 4 * 48 * 1024,15 .periods_min = 2,16 .periods_max = 256,17 .buffer_bytes_max = 4 * 48 * 1024,18 .fifo_size = 0,19};20 21/* dai component */22static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {23 /* Hostless ADDA Loopback */24 {"ADDA_DL_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},25 {"ADDA_DL_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},26 {"ADDA_DL_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},27 {"ADDA_DL_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},28 {"I2S1_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},29 {"I2S1_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},30 {"I2S3_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},31 {"I2S3_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},32 {"I2S3_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},33 {"I2S3_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},34 {"Hostless LPBK UL", NULL, "ADDA_UL_Mux"},35 36 /* Hostelss FM */37 /* connsys_i2s to hw gain 1*/38 {"Hostless FM UL", NULL, "Connsys I2S"},39 40 {"HW_GAIN1_IN_CH1", "CONNSYS_I2S_CH1 Switch", "Hostless FM DL"},41 {"HW_GAIN1_IN_CH2", "CONNSYS_I2S_CH2 Switch", "Hostless FM DL"},42 /* hw gain to adda dl */43 {"Hostless FM UL", NULL, "HW Gain 1 Out"},44 45 {"ADDA_DL_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},46 {"ADDA_DL_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},47 /* hw gain to i2s3 */48 {"I2S3_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},49 {"I2S3_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},50 /* hw gain to i2s1 */51 {"I2S1_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},52 {"I2S1_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},53 54 /* Hostless_SRC */55 {"ADDA_DL_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},56 {"ADDA_DL_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},57 {"I2S1_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},58 {"I2S1_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},59 {"I2S3_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},60 {"I2S3_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},61 {"Hostless_SRC_1_UL", NULL, "HW_SRC_1_Out"},62 63 /* Hostless_SRC_bargein */64 {"HW_SRC_1_IN_CH1", "I2S0_CH1 Switch", "Hostless_SRC_Bargein_DL"},65 {"HW_SRC_1_IN_CH2", "I2S0_CH2 Switch", "Hostless_SRC_Bargein_DL"},66 {"Hostless_SRC_Bargein_UL", NULL, "I2S0"},67 68 /* Hostless AAudio */69 {"Hostless HW Gain AAudio In", NULL, "HW Gain 2 In"},70 {"Hostless SRC AAudio UL", NULL, "HW Gain 2 Out"},71 {"HW_SRC_2_IN_CH1", "HW_GAIN2_OUT_CH1 Switch", "Hostless SRC AAudio DL"},72 {"HW_SRC_2_IN_CH2", "HW_GAIN2_OUT_CH2 Switch", "Hostless SRC AAudio DL"},73};74 75/* dai ops */76static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,77 struct snd_soc_dai *dai)78{79 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);80 struct snd_pcm_runtime *runtime = substream->runtime;81 int ret;82 83 snd_soc_set_runtime_hwparams(substream, &mt8186_hostless_hardware);84 85 ret = snd_pcm_hw_constraint_integer(runtime,86 SNDRV_PCM_HW_PARAM_PERIODS);87 if (ret < 0) {88 dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n");89 return ret;90 }91 92 return 0;93}94 95static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {96 .startup = mtk_dai_hostless_startup,97};98 99/* dai driver */100#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\101 SNDRV_PCM_RATE_88200 |\102 SNDRV_PCM_RATE_96000 |\103 SNDRV_PCM_RATE_176400 |\104 SNDRV_PCM_RATE_192000)105 106#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\107 SNDRV_PCM_FMTBIT_S24_LE |\108 SNDRV_PCM_FMTBIT_S32_LE)109 110static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {111 {112 .name = "Hostless LPBK DAI",113 .id = MT8186_DAI_HOSTLESS_LPBK,114 .playback = {115 .stream_name = "Hostless LPBK DL",116 .channels_min = 1,117 .channels_max = 2,118 .rates = MTK_HOSTLESS_RATES,119 .formats = MTK_HOSTLESS_FORMATS,120 },121 .capture = {122 .stream_name = "Hostless LPBK UL",123 .channels_min = 1,124 .channels_max = 2,125 .rates = MTK_HOSTLESS_RATES,126 .formats = MTK_HOSTLESS_FORMATS,127 },128 .ops = &mtk_dai_hostless_ops,129 },130 {131 .name = "Hostless FM DAI",132 .id = MT8186_DAI_HOSTLESS_FM,133 .playback = {134 .stream_name = "Hostless FM DL",135 .channels_min = 1,136 .channels_max = 2,137 .rates = MTK_HOSTLESS_RATES,138 .formats = MTK_HOSTLESS_FORMATS,139 },140 .capture = {141 .stream_name = "Hostless FM UL",142 .channels_min = 1,143 .channels_max = 2,144 .rates = MTK_HOSTLESS_RATES,145 .formats = MTK_HOSTLESS_FORMATS,146 },147 .ops = &mtk_dai_hostless_ops,148 },149 {150 .name = "Hostless_SRC_1_DAI",151 .id = MT8186_DAI_HOSTLESS_SRC_1,152 .playback = {153 .stream_name = "Hostless_SRC_1_DL",154 .channels_min = 1,155 .channels_max = 2,156 .rates = MTK_HOSTLESS_RATES,157 .formats = MTK_HOSTLESS_FORMATS,158 },159 .capture = {160 .stream_name = "Hostless_SRC_1_UL",161 .channels_min = 1,162 .channels_max = 2,163 .rates = MTK_HOSTLESS_RATES,164 .formats = MTK_HOSTLESS_FORMATS,165 },166 .ops = &mtk_dai_hostless_ops,167 },168 {169 .name = "Hostless_SRC_Bargein_DAI",170 .id = MT8186_DAI_HOSTLESS_SRC_BARGEIN,171 .playback = {172 .stream_name = "Hostless_SRC_Bargein_DL",173 .channels_min = 1,174 .channels_max = 2,175 .rates = MTK_HOSTLESS_RATES,176 .formats = MTK_HOSTLESS_FORMATS,177 },178 .capture = {179 .stream_name = "Hostless_SRC_Bargein_UL",180 .channels_min = 1,181 .channels_max = 2,182 .rates = MTK_HOSTLESS_RATES,183 .formats = MTK_HOSTLESS_FORMATS,184 },185 .ops = &mtk_dai_hostless_ops,186 },187 /* BE dai */188 {189 .name = "Hostless_UL1 DAI",190 .id = MT8186_DAI_HOSTLESS_UL1,191 .capture = {192 .stream_name = "Hostless_UL1 UL",193 .channels_min = 1,194 .channels_max = 4,195 .rates = MTK_HOSTLESS_RATES,196 .formats = MTK_HOSTLESS_FORMATS,197 },198 .ops = &mtk_dai_hostless_ops,199 },200 {201 .name = "Hostless_UL2 DAI",202 .id = MT8186_DAI_HOSTLESS_UL2,203 .capture = {204 .stream_name = "Hostless_UL2 UL",205 .channels_min = 1,206 .channels_max = 4,207 .rates = MTK_HOSTLESS_RATES,208 .formats = MTK_HOSTLESS_FORMATS,209 },210 .ops = &mtk_dai_hostless_ops,211 },212 {213 .name = "Hostless_UL3 DAI",214 .id = MT8186_DAI_HOSTLESS_UL3,215 .capture = {216 .stream_name = "Hostless_UL3 UL",217 .channels_min = 1,218 .channels_max = 2,219 .rates = MTK_HOSTLESS_RATES,220 .formats = MTK_HOSTLESS_FORMATS,221 },222 .ops = &mtk_dai_hostless_ops,223 },224 {225 .name = "Hostless_UL5 DAI",226 .id = MT8186_DAI_HOSTLESS_UL5,227 .capture = {228 .stream_name = "Hostless_UL5 UL",229 .channels_min = 1,230 .channels_max = 12,231 .rates = MTK_HOSTLESS_RATES,232 .formats = MTK_HOSTLESS_FORMATS,233 },234 .ops = &mtk_dai_hostless_ops,235 },236 {237 .name = "Hostless_UL6 DAI",238 .id = MT8186_DAI_HOSTLESS_UL6,239 .capture = {240 .stream_name = "Hostless_UL6 UL",241 .channels_min = 1,242 .channels_max = 2,243 .rates = MTK_HOSTLESS_RATES,244 .formats = MTK_HOSTLESS_FORMATS,245 },246 .ops = &mtk_dai_hostless_ops,247 },248 {249 .name = "Hostless HW Gain AAudio DAI",250 .id = MT8186_DAI_HOSTLESS_HW_GAIN_AAUDIO,251 .capture = {252 .stream_name = "Hostless HW Gain AAudio In",253 .channels_min = 1,254 .channels_max = 2,255 .rates = MTK_HOSTLESS_RATES,256 .formats = MTK_HOSTLESS_FORMATS,257 },258 .ops = &mtk_dai_hostless_ops,259 },260 {261 .name = "Hostless SRC AAudio DAI",262 .id = MT8186_DAI_HOSTLESS_SRC_AAUDIO,263 .playback = {264 .stream_name = "Hostless SRC AAudio DL",265 .channels_min = 1,266 .channels_max = 2,267 .rates = MTK_HOSTLESS_RATES,268 .formats = MTK_HOSTLESS_FORMATS,269 },270 .capture = {271 .stream_name = "Hostless SRC AAudio UL",272 .channels_min = 1,273 .channels_max = 2,274 .rates = MTK_HOSTLESS_RATES,275 .formats = MTK_HOSTLESS_FORMATS,276 },277 .ops = &mtk_dai_hostless_ops,278 },279};280 281int mt8186_dai_hostless_register(struct mtk_base_afe *afe)282{283 struct mtk_base_afe_dai *dai;284 285 dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);286 if (!dai)287 return -ENOMEM;288 289 list_add(&dai->list, &afe->sub_dais);290 291 dai->dai_drivers = mtk_dai_hostless_driver;292 dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);293 294 dai->dapm_routes = mtk_dai_hostless_routes;295 dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);296 297 return 0;298}299